I am sorry to hear this as it does get frustrating, but i regret to inform you that there is no possible way to track your blackberry. If your device is attacted to a BES, i suggest you inform your BES administrators to remote wipe the device.

Best thing to do is backtrack your where-abouts during that time frame and search and ask around and maybe dial your own number hoping you can hear it ring somewhere.

Good Luck with everything...

__________________When you turn on your phone, does it return the favor? Welcome to BlackBerry!
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ubuntu-LINUX 8.04

Did you find it? If not yet, I hope you have original Box( use sticker IMEI number to lock your device) Call your provider and tell them your phone is lost or stollen, they will block it. if someone picked it up they will never give it back to you unless they are honest or reward looking. Start memorize places were you were and were you called last time. usualy you may dorp of in the car under the sit. or in carservice. if feel like was stollen call and give IMEI number, do you have your PIN handy? What is it? check also on the Box give it here we will try to help.